Biomechanical Study and Three-dimension Finite Element Analysis on the Treatment of Ischemic Necrosis of the Femoral Head using Memorial Metal Flexible Cage in Adult;
目的:对比研究三种治疗成人股骨头缺血性坏死方法的生物力学行为;寻找最合适的网球支架直径和放置位置。
This paper introduces two kinds of assembling and lifting methods(the integrated vertical lifting method and the sliding method) used in the ball-grid installation,and puts forward some problems existing in the construction.
介绍了球型网架安装过程中使用的整体垂直提升法、滑移法2种拼装和吊装方法,提出了施工中存在的问题。
hydraulic backstop
以液压升降的篮球架
a rack for BaseBall Bats in the dugout
球员休息室里的球棒架
A trophy rack;a rack for baseball bats in the dugout;a drying rack for laundry.
奖品架；球员休息室里的球棒架；洗衣房的晾衣架
A piece of wood used to steady the cue in billiards.
球杆架打台球时固定球杆的木块
universal-joint bushing and ring spider
万向节衬套及球十字架
a rest for a billiard cue, telescope, telephone receiver
台球杆的搁架、 望远镜的支架、 电话听筒的托架
racket-press (frame worked by a spring,used for holding a racket tightly )
球拍夹（有弹簧的架框,用以保存球拍）.
New Globe-tube Soldering Techoology of Soldering Hollow Globe-Net-Shelf Struct ure;
焊接空心球网架结构球—管焊接新工艺
A triangular frame for arranging billiard balls at the start of a game.
排放球的三角架在台球比赛之前用来排放球的三角架
A hockey or soccer goal made of a network frame.
球门一种用网状杠架做成的曲棍球或足球的球门
Inspiration of Establishing COMPASS Terrestrial Reference Frame from GTRF Realization
伽利略地球参考框架对建立我国自主的地球参考框架的启示
a long racket with a triangular frame; used in playing lacrosse.
有三角形框架的长球拍；长曲棍球运动中使用。
mounting head (ball and socket) for cinematographic cameras
电影摄影机头座架（球及管座）
outside diameter of ball and cage radial
球和保持架向心组件外径
outside diameter of ball and cage thrust
球和保持架推力组件外径
bore diameter of ball and cage thrust assembly
球和保持架推力组件内径
bore diameter of ball and cage radial assembly
球和保持架向心组件内径
I walloped him attennis.
我在网球赛时把他打得无招架之力。